Quantitative Reasoning MCQS for NTS Set 1

How much water a pump of 2kW can raise in one minute to a height of 10 m. take g = 10 m/s²?

100 liters

2000 liters

1200 liters

1000 liters

In LCR series AC circuit the phase angle between current and voltage is

?/2

?

Any angle between 0 and ?/2

Any angle between 0 and ±?/2

The henry is the unit for

Magnetic field

Resistance

Magnetic flux

Inductance

Which one of the following is a simple harmonic motion?

Particle moving in a circle with uniform speed.

Wave moving through a string fixed at both ends.

Ball bouncing between two rigid vertical walls

Earth spinning about its own axis

The sieman is the SI unit of

Inductance

Conductance

Resistance

Specific Resistance

According to the Hooke’s law the force required to change the length of a wire by ‘1’ is proportional to

1^-2

1

1^-1

1²

A cable breaks if stretched by more than 2 mm it is cut into two equal parts how much either part can be stretched without breaking?

1 mm

0.25 m

0.5 m

2 mm

In an ac circuit with voltage V and current 1 the power dissipated is

Depends on the phase between V and 1

1/?2 VI

1/2 VI

VI

When n-type of semiconductor is heated

Number of electrons and holes remains same

Number of holes increases while that of electrons decreases

Number of electrons increases while that of holes decreases

Number of electrons and holes increases equally

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1 the kinetic energy K and potential energy U change as

K four-fold,U two-fold

K four-fold,U also four-fold

K two-fold,U also two-fold